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Related Party Transactions - Summary of Loans to Principal Officers, Directors, and Affiliates (Detail) - Related Party [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Related Party Transaction [Line Items] |  |
Beginning balance | $ 1,853 | $ 6,376
New loans | 659 | 407
Effect of changes in composition from related parties | 38,536 | (4,654)
Net repayments in existing accounts | (299) | (276)
Ending balance | $ 40,749 | $ 1,853

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